diff --git a/tribes/system/node.scm b/tribes/system/node.scm
index 7caf831..da04750 100644
--- a/tribes/system/node.scm
+++ b/tribes/system/node.scm
@@ -112,7 +112,7 @@
                     (tribes-edge-configuration-challenge-port edge)) "\";\n"
     "}\n\n"
     "sub vcl_recv {\n"
-    "  if (req.url ~ \"^/\\\\.well-known/acme-challenge/\") {\n"
+    "  if (req.url ~ \"^/\\.well-known/acme-challenge/\") {\n"
     "    set req.backend_hint = acme;\n"
     "    return (pass);\n"
     "  }\n\n"